Continuity: In the opening credits, a close-up of the bus that splashed Carrie shows that it was full of people. But as the bus rounds the corner, it is totally empty.
Continuity: In the fetish episode when Big goes to Paris for a few days for work, he returns to New York and Carrie shows up at his door with McDonalds. In the kitchen, the position of her bag and the french fries (both on the counter top) changes constantly throughout the scene.
Continuity: In the earlier series, the exterior the Carrie's apartment was another apartment block (in one episode we see a couple having sex through this windows). In later series, the exterior changes to the street outside and the other apartment seems to have moved.
Continuity: When Aidain Shaw leaves Carries, she has the option to buy her apartment back from him, which she does when Charlotte offers her her engagement ring to sell to provide the deposits for the apartment. the episode finishes with Carrie signing the real estate papers and mentions that she is now at Home. On the last episode, when Alexendr offers her to go to Paris with him, he also offers to pay the rent of her apartment while she is away.